Plz help me solv 3. The locus of a point which moves in a plane such that it is equidistant from

two fixed points X and Y is

A. the perpendicular bisector of the line segment X Y

B. a line parallel to the line segment XY C. a circle with XY as diameter

D. the line perpendicular to the line segment XY

step-by-step explanation:

answer:

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

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